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<br />Finally, the Tertiary Mining excavation will extend north on the ridge extending north from the <br />center of the permit area to the section line between Sections X18 & 7. This final extraction is <br />expected to take from 1 to 2 years. <br />MINING TIMETABLE <br />PHASE ACTIVITY TIl1iEFRAME <br />Initial Strip & stockpile or re-spread topsoil (2,850 CY) Spring - 2001 1 week <br /> Relocate south overburden stockpile to worked-out pit Spring - 2001 2-3 weeks <br /> south highwall to the west (16,200± CY) <br /> Strip overburden and dispose into highwall back-Suing or Spring - 2001 I -2 weeks <br /> into northwest depression embanlnnent fill (6,500± CY) <br /> Resume southwest corner (initial) extraction ~d + <br />Spring - 2001 to 2003- <br /> production from current pit to west boundary along south <br /> to soil stoc ile. <br />Secondary Strip & stockpile ar spread topsoil (7,500 CY) ' Spring 2003 I-2 weeks <br /> Relocate north overburden stockpile to worked-out pit Spring 2003 2 weeks <br /> highwalls to the west (16,250± CY) <br /> Strip overburden and back811 highwalls or dispose into Spring 2003 1 week <br /> northwest depression embankment fill (6,500± CY) <br /> Resume (secondary) extracUion and production from west <br />Spring -- 2003 to 2006 <br /> permit boundary topsoil stockpile proceeding east to the <br /> northeast process/stockpile area. <br />Tertiary Strip & stockpile or spread topsoil (1,500 CY) Spring 2006 1 week <br /> Strip overburden and dispose into northwest depression Spring 2006 1-2 weeks <br /> embankment fill (6,500± CY) <br /> Resume extraction and production at north ridge (tertiaaryry) S nrr 2006 to 2008 <br />p g <br /> from cemral ermit area and roceed to the north terminus. <br />Reclaim Sce Reclamauion Plan, Exhibits E & F. Spring - 2008+ <br />[1] Sand & gravel deposits to be mined are well rounded, well-graded, 10-inch-minus alluvial <br />deposits lying in depths of fifteen up to about twenty feet deep (q(i#, judging from excavated portions <br />of the site. Test pits dug in un-mined portions of the site revealed gravel resource as deep as the <br />backhce could reach (15 to 16 feet). Clay underlies the alluvial gravel deposits to be mined. (t)(ii). <br />[g] Sand & gravel mined and processed is to be used as rock ~ggregate in a local state highway <br />and other construction projects. Earth borrow is used for embankment and impervious clay liner. <br />[h] The only incidental product is the earth borrow material described in the paragraph above. <br />C*7 <br />t4 <br />